ANSWER

There are a number of methods used for eliciting and discovering requirements.  These methods can be categorized into two main categories:

Collaborative Interaction - these methods offer the most access to the customer and result in more accurate requirements (though they may be more time intensive/expensive):

• Face-to-face Interviews

• Focus Groups

• Requirements Workshop

• Brainstorming and Idea Reduction

• Role Playing

Restricted Interaction - these methods control more strictly the way in which you interact with the stakeholders:

• Observation and Job Shadowing

• Prototype Walkthroughs

• Questionnaires

• Electronic Interviews

• Legacy Code Analysis (Reverse Engineering)

• Reading

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Adrian Marchis
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